Words that describe Chris + McCandless types or journeys (Devil's Thumb):

introverted- self-absorbed and uninterested in other people and the world around or tending to be shy and quiet or ill at ease in a group
sublime- so awe-inspiringly beautiful as to seem almost heavenly or morally worthy- of the highest moral or spiritual value
psycho-neurotic- a person suffering from neurosis or affected with emotional disorder
zeal- energetic and unflagging enthusiasm, especially for a cause or idea
brooded- worry or intransitive verb to be preoccupied with a troublesome or unwelcome thought
sinister- threatening or suggesting malevolence, menace, or harm
(pg. 134) diorite- a dark granular igneous rock that consists of plagioclase and a ferromagnesian mineral such as hornblende. Use: surfacing roads.
(pg. 135) nordwand- The Nordwand, German for "north wall", is the spectacular north (or, more precisely, north-west) face of the Eiger (also known as the Eigerwand, "Eiger wall"). It is one of the six great north faces of the Alps, towering over 1,800 m (5,900 ft) above the valley in the Bernese Oberland below.
(pg. 136) inveigled- to persuade, charm or entice somebody into doing something that he or she would not otherwise have done
reverie- a daydream or a state of idle and pleasant contemplation
(pg. 137) carapace- a thick hard case or shell made of bone or chitin that covers part of the body, especially the back, of an animal such as a crab or turtle
(pg. 138) inebriated- to cause somebody to become drunk or intoxicated
(pg. 143) chutzpah- boldness coupled with supreme self-confidence